CN202993142U - Carbon plant waste heat power generation and heating system based on calcining furnace calcined coke waste heat recovery - Google Patents

Carbon plant waste heat power generation and heating system based on calcining furnace calcined coke waste heat recovery Download PDF

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CN202993142U
CN202993142U CN2012207491852U CN201220749185U CN202993142U CN 202993142 U CN202993142 U CN 202993142U CN 2012207491852 U CN2012207491852 U CN 2012207491852U CN 201220749185 U CN201220749185 U CN 201220749185U CN 202993142 U CN202993142 U CN 202993142U
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waste heat
calcined coke
heat recovery
waste
power generation
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张茂勇
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract

The utility model relates to a carbon plant waste heat power generation and heating system based on calcining furnace calcined coke waste heat recovery and belongs to the technical field of industrial waste heat power generation. A waste heat power generation device comprises a calcining furnace calcined coke waste heat recovery steam manufacturing subsystem and a turbine power generation subsystem, the calcining furnace calcined coke waste heat recovery steam manufacturing subsystem adopts a calcined coke waste heat recovery steam manufacturing mode which comprises a jacket mode, an outside winding coil mode, an external attached heat pipe mode, a built-in heating pipe bundle, a built-in heating pipe and the like. Steam is manufactured through recovery of high-temperature calcined coke waste heat and sent in a turbine power generation unit to generate power. The carbon plant waste heat power generation and heating system adopts a newly designed waste heat recovery steam manufacturing device to achieve power generation through the waste heat, enables original material waste heat discharged in vain to be recycled, improves energy use efficiency of a carbon plant, reduces station service, and achieves emission reduction and water conservation.

Description

Charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke
Technical field
The utility model belongs to the industrial afterheat power generation technical field, particularly a kind of charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke.
Background technology
The charcoal ink factory is as the industrial department of highly energy-consuming, high pollution, maximum discharge, when providing the anode product for electrolytic aluminium, " three height " problem that also exists a large amount of all kinds of waste heats to be wasted, wherein calcining furnace is for calcining petroleum coke except desulfuration, the component of grading of volatilizing, becoming these semi-finished product of calcined coke, is one of primary raw material of making through further roasting the charcoal element.The temperature of calcined coke in calcining furnace reaches 1200 ℃ of left and right, water-jacket typ heat exchanger structure by the discharging opening place cools, final temperature is sent after being reduced to approximately 100～200 ℃, can significantly reduce the oxidized possibility of calcined coke, guarantee that the calcined coke quality meets the requirement of downstream production process.Wherein calcined coke is cooled to temperature requiredly in the water-jacket typ heat exchanger by cooling circulating water, and cooling circulating water recycles after by coolings such as cooling towers.
The structure of traditional water-jacket typ heat exchanger that is used for cooling calcined coke as shown in Figure 1, this water-jacket typ heat exchanger can be divided into high temperature section and low-temperature zone two parts, wherein low-temperature zone water-jacket typ heat exchanger 7 is interconnected by side wall in low-temperature zone 5 and low-temperature zone shell wall 8 and surrounds, the bottom of this low-temperature zone water-jacket typ heat exchanger 7 is connected with cooling circulating water backwater B, cooling circulating water backwater B enters heat exchanger via low-temperature zone cooling water inlet pipe 11b, high temperature calcined coke 2 heating in the inner chamber that is surrounded by jacket type structure by side wall in low-temperature zone 9.the top of low-temperature zone water-jacket typ heat exchanger 7 is by being connected with the bottom circulating water intake of high temperature section water-jacket typ heat exchanger 3a communicating pipe 6, high temperature section cooling water inlet pipe 11a also can be set in the bottom of high temperature section water-jacket typ heat exchanger 3a in case of necessity to improve the high temperature section circulating water flow, high temperature calcined coke 2 heating in the inner chamber that above-mentioned cooling water is surrounded by jacket type structure by side wall in high temperature section 5, and then send from the top coolant outlet, cooling water water outlet D fed downstream cooling tower carries out cooling, cooling water backwater B and C return to low-temperature zone water-jacket typ heat exchanger 7 and high temperature section water-jacket typ heat exchanger 3a continues cooling calcined coke.
But, traditional in esse problem of the water-jacket typ type of cooling is, a large amount of low grade residual heats have been drained in vain from cooling tower and have not been recycled, bear the recovery section waste heats such as on-site heating, domestic hot-water supply although adopt this waste heat in some charcoal ink factory, but consider that on-site heating area and thermic load are limited, required to add heat less for the domestic hot-water, therefore most heat energy are still emitted in vain, and expend great lot of water resources and circulating power etc.Therefore, traditional simple type of cooling has not met saving energy and cost, recycling social sustainable development requirement.
Therefore, be necessary to seek the brand-new calcined coke discharging section type of cooling and design and the structure thereof of exhaust heat recovery power generation, the purpose that take full advantage of residual heat resources to reach, improves energy conservation and environmental protection benefit.
The utility model content
The purpose of this utility model is for overcoming the weak point of prior art, a kind of charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke is proposed, the a large amount of waste heats that creatively calcined coke contained are converted into steam, and then the driving steam turbine generating.
specific descriptions of the present utility model are: based on charcoal ink factory's cogeneration heating system of calcining furnace calcined coke waste heat recovery, it is characterized in that, described cogeneration heating system comprises calcining furnace calcined coke waste heat recovery steam subsystem 39 processed and waste heat steam turbine power generation subsystem 30 two parts, wherein calcining furnace calcined coke waste heat recovery steam subsystem processed 39 adopts high temperature calcined coke waste-heat recovery devices 11 to reclaim the waste heat of high temperature calcined cokes 2 and is sent to the drum 21 of steam processed, the steam (vapor) outlet of drum 21 is connected with the main steam import of the waste heat steam turbine 31 of waste heat steam turbine power generation subsystem 30, the feed-water inlet of drum 21 is connected by condensate pump 34 and subsequent condensate return pipe 35 with the condensate water outlet of the condenser 33 of waste heat steam turbine power generation subsystem 30.
Described high temperature calcined coke waste-heat recovery device 11 adopt jacket type waste-heat recovery devices, outer drum tubular type waste-heat recovery device, outside attach heat pipe type waste heat reclaiming device, in bury heat-obtaining bundled tube waste-heat recovery device or in bury the heat-obtaining heat pipe type waste heat reclaiming device.
The drum 21 of described steam processed adopts the heat exchange type structure, and wherein heat exchange structure adopts internal heat exchange tubes binding structure or the outside bundled tube structure that attaches.
The drum 21 of described steam processed adopts drum formula structure, wherein the steam inlet of drum 21 is connected with the steam (vapor) outlet of high temperature calcined coke waste-heat recovery device 11, the feed-water inlet valve 36 of drum 21 cuts off, and the condensate water outlet of the condenser 33 of waste heat steam turbine power generation subsystem 30 is connected with the water inlet of high temperature calcined coke waste-heat recovery device 11 by condensate pump 34 and subsequent condensate return pipe 35.
Characteristics of the present utility model and beneficial effect:
The utility model adopts high temperature calcined coke waste-heat recovery device, reclaim a large amount of waste heats in calcined coke and produce the steam of higher-energy grade, and then realize cogeneration, improve charcoal ink factory's efficiency of energy utilization, reduce charcoal ink factory's station service, realize reducing discharging water-saving benefit, have higher economic and social benefits and engineering practical value.
Description of drawings
Fig. 1 is traditional water-jacket typ heat exchanger structure schematic diagram that is used for cooling calcined coke;
Fig. 2 is embodiment 1 structural representation based on charcoal ink factory's cogeneration heating system of calcining furnace calcined coke waste heat recovery that the utility model adopts;
Fig. 3 is embodiment 2 structural representations based on charcoal ink factory's cogeneration heating system of calcining furnace calcined coke waste heat recovery that the utility model adopts;
In Fig. 1,2,3, each unit number and title are as follows:
calcining furnace 1, high temperature calcined coke 2, calcined coke discharging section water-jacket typ heat exchanger 3a, shell wall 4, interior side wall 5, communicating pipe 6, low-temperature zone water-jacket typ heat exchanger 7, low-temperature zone shell wall 8, side wall 9 in low-temperature zone, calcined coke cooling discharging mouth 10, high temperature calcined coke waste-heat recovery device 11, high temperature section cooling water outlet pipe 11a, low-temperature zone cooling circulating water return pipe 11b, high temperature section cooling water outlet pipe 12a, air supply pipe 14, heat-insulation layer 16, drum 21, heat exchanger tube 22, heat pipe tube bank 23, waste heat steam turbine power generation subsystem 30, waste heat steam turbine 31, generator 32, condenser 33, condensate pump 34, condensate circulating water pipe 35, calcining furnace calcined coke waste heat recovery steam subsystem 39 processed, cooled calcined coke A, cooling circulating water backwater B, high temperature section cooling circulating water backwater C, cooling water water outlet D, low-temperature zone cooling water water outlet E.
The specific embodiment
The charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke that the utility model proposes reaches by reference to the accompanying drawings embodiment and describes in detail.
Specific embodiment of the utility model is as follows.
Embodiment 1:
charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke, comprise calcining furnace calcined coke waste heat recovery steam subsystem 39 processed and waste heat steam turbine power generation subsystem 30 two parts, wherein calcining furnace calcined coke waste heat recovery steam subsystem processed 39 adopts high temperature calcined coke waste-heat recovery devices 11 to reclaim the waste heat of high temperature calcined cokes 2 and is sent to the drum 21 of steam processed, the steam (vapor) outlet of drum 21 is connected with the main steam import of the waste heat steam turbine 31 of waste heat steam turbine power generation subsystem 30, the feed-water inlet of drum 21 is connected by condensate pump 34 and subsequent condensate return pipe 35 with the condensate water outlet of the condenser 33 of waste heat steam turbine power generation subsystem 30.
High temperature calcined coke waste-heat recovery device 11 adopts the outside heat pipe type waste heat reclaiming device that attaches.The drum 21 of steam processed adopts the heat exchange type structure, and wherein heat exchange structure adopts internal heat exchange tubes binding structure.
Embodiment 2:
charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke, comprise calcining furnace calcined coke waste heat recovery steam subsystem 39 processed and waste heat steam turbine power generation subsystem 30 two parts, wherein calcining furnace calcined coke waste heat recovery steam subsystem processed 39 adopts high temperature calcined coke waste-heat recovery devices 11 to reclaim the waste heat of high temperature calcined cokes 2 and is sent to the drum 21 of steam processed, the steam (vapor) outlet of drum 21 is connected with the main steam import of the waste heat steam turbine 31 of waste heat steam turbine power generation subsystem 30, the feed-water inlet of drum 21 is connected by condensate pump 34 and subsequent condensate return pipe 35 with the condensate water outlet of the condenser 33 of waste heat steam turbine power generation subsystem 30.
In adopting, high temperature calcined coke waste-heat recovery device 11 buries heat-obtaining bundled tube waste-heat recovery device.The drum 21 of steam processed adopts drum formula structure, wherein the steam inlet of drum 21 is connected with the steam (vapor) outlet of high temperature calcined coke waste-heat recovery device 11, the feed-water inlet valve 36 of drum 21 cuts off, and the condensate water outlet of the condenser 33 of waste heat steam turbine power generation subsystem 30 is connected with the water inlet of high temperature calcined coke waste-heat recovery device 11 by condensate pump 34 and subsequent condensate return pipe 35.
Need to prove; the utility model proposes and adopt outside sticking type heat pipe heat exchanging structure to realize that the calcined coke waste heat recovery produces the structural design of steam; and according to this design, different concrete implementing measures can be arranged; such as cast, caliber, wall thickness and the pipe range combination etc. of taking various heat pipe tube banks, and the embodiment of other similar simple deformation all falls into protection domain of the present utility model.

Claims (4)

1. based on charcoal ink factory's cogeneration heating system of calcining furnace calcined coke waste heat recovery, it is characterized in that, described cogeneration heating system comprises calcining furnace calcined coke waste heat recovery steam subsystem processed (39) and waste heat steam turbine power generation subsystem (30) two parts, wherein calcining furnace calcined coke waste heat recovery steam subsystem processed (39) adopts high temperature calcined coke waste-heat recovery device (11) to reclaim the waste heat of high temperature calcined coke (2) and is sent to the drum (21) of steam processed, the steam (vapor) outlet of drum (21) is connected with the main steam import of the waste heat steam turbine (31) of waste heat steam turbine power generation subsystem (30), the feed-water inlet of drum (21) is connected by condensate pump (34) and subsequent condensate return pipe (35) with the condensate water outlet of the condenser (33) of waste heat steam turbine power generation subsystem (30).
2. the charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke as claimed in claim 1, it is characterized in that, described high temperature calcined coke waste-heat recovery device (11) adopt jacket type waste-heat recovery device, outer drum tubular type waste-heat recovery device, outside attach heat pipe type waste heat reclaiming device, in bury heat-obtaining bundled tube waste-heat recovery device or in bury the heat-obtaining heat pipe type waste heat reclaiming device.
3. the charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke as claimed in claim 1, it is characterized in that, the drum of described steam processed (21) adopts the heat exchange type structure, and wherein heat exchange structure adopts internal heat exchange tubes binding structure or the outside bundled tube structure that attaches.
4. the charcoal ink factory's cogeneration heating system based on the waste heat recovery of calcining furnace calcined coke as claimed in claim 1, it is characterized in that, the drum of described steam processed (21) adopts drum formula structure, wherein the steam inlet of drum (21) is connected with the steam (vapor) outlet of high temperature calcined coke waste-heat recovery device (11), the feed-water inlet valve (36) of drum (21) cuts off, the condensate water outlet of the condenser (33) of waste heat steam turbine power generation subsystem (30) is connected with the water inlet of high temperature calcined coke waste-heat recovery device (11) by condensate pump (34) and subsequent condensate return pipe (35).
CN2012207491852U 2012-12-31 2012-12-31 Carbon plant waste heat power generation and heating system based on calcining furnace calcined coke waste heat recovery Expired - Fee Related CN202993142U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103590865A (en) * 2013-11-22 2014-02-19 河北工业大学 Industrial waste heat recovery and power generation system
CN103696817A (en) * 2013-12-25 2014-04-02 鞍山钢铁集团公司 Power generating device and method using melting slag heat energy
CN109028981A (en) * 2018-07-04 2018-12-18 百色皓海碳素有限公司 The method of exhaust heat recovery power generation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103590865A (en) * 2013-11-22 2014-02-19 河北工业大学 Industrial waste heat recovery and power generation system
CN103590865B (en) * 2013-11-22 2015-09-09 河北工业大学 A kind of industrial afterheat recovery and power generation system
CN103696817A (en) * 2013-12-25 2014-04-02 鞍山钢铁集团公司 Power generating device and method using melting slag heat energy
CN103696817B (en) * 2013-12-25 2015-04-29 鞍山钢铁集团公司 Power generating device and method using melting slag heat energy
CN109028981A (en) * 2018-07-04 2018-12-18 百色皓海碳素有限公司 The method of exhaust heat recovery power generation

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Granted publication date: 20130612

Termination date: 20151231

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